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Model-based dynamic analysis method for extruded two-component liquid power system

A liquid power and system dynamic technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve modularization, insufficient parameterization, complex and difficult modeling process, model reusability, versatility and scalability Low-level problems, to achieve the effect of reducing the workload of modeling, reducing the difficulty and complexity of construction, and improving reusability

Active Publication Date: 2016-09-28
XIAN AEROSPACE PROPULSION INST
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Problems solved by technology

For a large and complex coupled system such as a liquid power system, this method leads to a complex and difficult modeling process, and the developed model has low reusability, versatility and scalability, and is insufficient in terms of modularization and parameterization

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  • Model-based dynamic analysis method for extruded two-component liquid power system
  • Model-based dynamic analysis method for extruded two-component liquid power system
  • Model-based dynamic analysis method for extruded two-component liquid power system

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Embodiment Construction

[0036] The accompanying drawings of the description of the present invention are used to provide a further understanding of the present invention and constitute a part of the application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations to the present invention. The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0037] A model-based dynamic analysis method for extruded two-component liquid power systems. By combining the modeling and simulation theory of liquid power systems with the Modelica technology system, an object-oriented declarative liquid power system modeling method is formed, which is used to guide The modeling process of the non-causal model library of the liquid power system. At the same time, according to the requirements of non-causal modeling and simulation, the mode...

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Abstract

The invention discloses a model-based dynamic analysis method for an extruded two-component liquid power system. An object-oriented declarative liquid power system modeling method is formed by combining a liquid power system modeling simulation theory with a Modelica technical system and used for guiding a modeling process of a non-causal model library of the liquid power system. For a complex system such as the liquid power system, the system does not need to be decoupled, and component input / output and equation solving sequences do not need to be defined, so that the difficulty and complexity of system modeling are greatly lowered, the workload is reduced, an error caused by manually specifying the solving sequence is avoided, and the reusability, expandability, flexibility and knowledge accumulation capability of models are remarkably improved.

Description

technical field [0001] The invention relates to a dynamic analysis method for a liquid rocket engine power system (abbreviated as a liquid power system), in particular to a model-based dynamic analysis method for an extrusion type two-component liquid power system. Background technique [0002] The dynamic characteristics of the fluid power system are an important performance index of the fluid power system. The quality of the dynamic characteristics directly affects whether the system can work normally, so its research has become an important field of power system design. In the early days, the research on liquid power systems mainly used engineering test methods. Engineering tests have certain limitations in improving system performance, safety, reliability, and economy. For example, a complete set of test systems needs to be established, and the structure of the physical system It is more difficult to change parameters. [0003] With the continuous deepening of the resea...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/367
Inventor 陈宏玉胡海峰张海明李晓瑾王贺
Owner XIAN AEROSPACE PROPULSION INST
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